84013328400 has 60 divisors (see below), whose sum is σ = 269122699152. Its totient is φ = 22403553920.

The previous prime is 84013328393. The next prime is 84013328401. The reversal of 84013328400 is 482331048.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (84013328401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35004354 + ... + 35006753.

Almost surely, 2^84013328400 is an apocalyptic number.

84013328400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84013328400 is an abundant number, since it is smaller than the sum of its proper divisors (185109370752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84013328400 is a wasteful number, since it uses less digits than its factorization.

84013328400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70011128 (or 70011117 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 84013328400 its reverse (482331048), we get a palindrome (84495659448).

The spelling of 84013328400 in words is "eighty-four billion, thirteen million, three hundred twenty-eight thousand, four hundred".